1/*
2 *  TP-LINK TL-MR3020 board support
3 *
4 *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
5 *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
6 *
7 *  This program is free software; you can redistribute it and/or modify it
8 *  under the terms of the GNU General Public License version 2 as published
9 *  by the Free Software Foundation.
10 */
11
12#include <linux/gpio.h>
13
14#include <asm/mach-ath79/ath79.h>
15#include <asm/mach-ath79/ar71xx_regs.h>
16
17#include "dev-eth.h"
18#include "dev-gpio-buttons.h"
19#include "dev-leds-gpio.h"
20#include "dev-m25p80.h"
21#include "dev-usb.h"
22#include "dev-wmac.h"
23#include "machtypes.h"
24
25#define TL_MR3020_GPIO_LED_3G		27
26#define TL_MR3020_GPIO_LED_WLAN		0
27#define TL_MR3020_GPIO_LED_LAN		17
28#define TL_MR3020_GPIO_LED_WPS		26
29
30#define TL_MR3020_GPIO_BTN_WPS		11
31#define TL_MR3020_GPIO_BTN_SW1		18
32#define TL_MR3020_GPIO_BTN_SW2		20
33
34#define TL_MR3020_GPIO_USB_POWER	8
35
36#define TL_MR3020_KEYS_POLL_INTERVAL	20	/* msecs */
37#define TL_MR3020_KEYS_DEBOUNCE_INTERVAL	(3 * TL_MR3020_KEYS_POLL_INTERVAL)
38
39static const char *tl_mr3020_part_probes[] = {
40	"tp-link",
41	NULL,
42};
43
44static struct flash_platform_data tl_mr3020_flash_data = {
45	.part_probes	= tl_mr3020_part_probes,
46};
47
48static struct gpio_led tl_mr3020_leds_gpio[] __initdata = {
49	{
50		.name		= "tp-link:green:3g",
51		.gpio		= TL_MR3020_GPIO_LED_3G,
52		.active_low	= 1,
53	},
54	{
55		.name		= "tp-link:green:wlan",
56		.gpio		= TL_MR3020_GPIO_LED_WLAN,
57		.active_low	= 0,
58	},
59	{
60		.name		= "tp-link:green:lan",
61		.gpio		= TL_MR3020_GPIO_LED_LAN,
62		.active_low	= 1,
63	},
64	{
65		.name		= "tp-link:green:wps",
66		.gpio		= TL_MR3020_GPIO_LED_WPS,
67		.active_low	= 1,
68	},
69};
70
71static struct gpio_keys_button tl_mr3020_gpio_keys[] __initdata = {
72	{
73		.desc		= "wps",
74		.type		= EV_KEY,
75		.code		= KEY_WPS_BUTTON,
76		.debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
77		.gpio		= TL_MR3020_GPIO_BTN_WPS,
78		.active_low	= 0,
79	},
80	{
81		.desc		= "sw1",
82		.type		= EV_KEY,
83		.code		= BTN_0,
84		.debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
85		.gpio		= TL_MR3020_GPIO_BTN_SW1,
86		.active_low	= 0,
87	},
88	{
89		.desc		= "sw2",
90		.type		= EV_KEY,
91		.code		= BTN_1,
92		.debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
93		.gpio		= TL_MR3020_GPIO_BTN_SW2,
94		.active_low	= 0,
95	}
96};
97
98static void __init tl_mr3020_setup(void)
99{
100	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
101	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
102
103	/* disable PHY_SWAP and PHY_ADDR_SWAP bits */
104	ath79_setup_ar933x_phy4_switch(false, false);
105
106	ath79_register_m25p80(&tl_mr3020_flash_data);
107	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3020_leds_gpio),
108				 tl_mr3020_leds_gpio);
109	ath79_register_gpio_keys_polled(-1, TL_MR3020_KEYS_POLL_INTERVAL,
110					ARRAY_SIZE(tl_mr3020_gpio_keys),
111					tl_mr3020_gpio_keys);
112
113	gpio_request_one(TL_MR3020_GPIO_USB_POWER,
114			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
115			 "USB power");
116	ath79_register_usb();
117
118	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
119
120	ath79_register_mdio(0, 0x0);
121	ath79_register_eth(0);
122	ath79_register_wmac(ee, mac);
123}
124
125MIPS_MACHINE(ATH79_MACH_TL_MR3020, "TL-MR3020", "TP-LINK TL-MR3020",
126	     tl_mr3020_setup);
127